Bag for a tray



FIG. 1 is a top, front, right side perspective view of a bag for a tray showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 4 is a rear elevational view thereof, the front elevational view being a mirror image thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a bottom, rear, right side perspective view thereof.

The broken lines shown throughout the views depict unclaimed subject matter. 

CLAIM The ornamental design for a bag for a tray, as shown and described. 